Dépôt officiel du code source de l'ERP OpenConcerto

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.

 *

 * The contents of this file are subject to the terms of the GNU General Public License Version 3

 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a

 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific

 * language governing permissions and limitations under the License.

 *

 * When distributing the software, include this License Header Notice in each file.

 */

 package org.openconcerto.utils.protocol;

import org.openconcerto.utils.FileUtils;

import java.io.File;

import java.io.IOException;

import java.net.URI;

import java.util.Arrays;

import java.util.Collections;

import javax.tools.JavaCompiler;

import javax.tools.JavaFileObject;

import javax.tools.SimpleJavaFileObject;

import javax.tools.StandardJavaFileManager;

import javax.tools.StandardLocation;

import javax.tools.ToolProvider;

/**

 * From {@link JavaCompiler} javadoc.

 */

public class JavaSourceFromString extends SimpleJavaFileObject {

    static public boolean compile(final File outputDir, final JavaFileObject... classes) throws IOException {

        FileUtils.mkdir_p(outputDir);

        final JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

        try (final StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null)) {

            fileManager.setLocation(StandardLocation.CLASS_OUTPUT, Collections.singleton(outputDir));

            return compiler.getTask(null, fileManager, null, null, null, Arrays.asList(classes)).call().booleanValue();

        }

    }

    /**

     * The source code of this "file".

     */

    private final String code;

    /**

     * Constructs a new JavaSourceFromString.

     *

     * @param name the name of the compilation unit represented by this file object

     * @param code the source code for the compilation unit represented by this file object

     */

    public JavaSourceFromString(String name, String code) {

        super(URI.create("string:///" + name.replace('.', '/') + Kind.SOURCE.extension), Kind.SOURCE);

        this.code = code;

    }

    public final String getClassFile() {

        // /pkg/Inner.java

        final String name = this.getName();

        // pkg/Inner.class

        return name.substring(1, name.length() - Kind.SOURCE.extension.length()) + Kind.CLASS.extension;

    }

    @Override

    public CharSequence getCharContent(boolean ignoreEncodingErrors) {

        return this.code;

    }

}